猎人把刀从刀鞘中抽出来准备切割猎物。

The hunter pulled the knife from its ___sheath to prepare for cutting the prey.

玉米幼苗外面有一层保护性的鞘。

The corn seedlings are wrapped in a protective ___sheath.

她穿着一条紧身的黑色连衣裙，完美展现了她的身材。

She wore a black ___sheath dress that perfectly accentuated her figure.

电工需要检查电缆的保护套是否完好无损。

The electrician needs to check if the protective ___sheaths of the cables are intact.